Intangible Assets and Goodwill (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		1 Months Ended	0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Feb. 29, 2012	Jun. 02, 2014	Dec. 31, 2011
Business Acquisition, Intangible Assets				$ 3,390
Goodwill	8,846	5,301
Amortization expense, intangible assets	543	453
HGP [Member]
Business Acquisition, Cost of acquired entity			7,080
Business Acquisition, Intangible Assets			5,640
Goodwill	4,728	4,728	4,728
HGP [Member] | Customer/Broker Network [Member]
Business Acquisition, Intangible Assets			4,180
Finite lived intangible assets, amortization period			12 years
HGP [Member] | Trade Name [Member]
Business Acquisition, Intangible Assets			1,460
Finite lived intangible assets, amortization period			14 years
NLEX [Member]
Business Acquisition, Intangible Assets				3,390
Goodwill	3,545	0		3,545
NLEX [Member] | Trade Name [Member]
Business Acquisition, Intangible Assets				2,437
NLEX [Member] | Customer Relationships [Member]
Business Acquisition, Intangible Assets				834
Finite lived intangible assets, amortization period				7 years 7 months 6 days
NLEX [Member] | Non-Compete Agreement [Member]
Business Acquisition, Intangible Assets				71
Finite lived intangible assets, amortization period				2 years
NLEX [Member] | NLEX's Website [Member]
Business Acquisition, Intangible Assets				48
Finite lived intangible assets, amortization period				5 years
Equity Partners [Member]
Goodwill	$ 573	$ 573			$ 573